<!DOCTYPE html>
<html>
<head>

<style id="ss" type="text/css">

div div:first-letter { font-size: 0%; }

</style>

<script type="text/javascript">

function boom()
{
  document.getElementById("ss").textContent = "div div { height: 1px; }";
}

</script>
</head>
<body onload="boom();">

<div style="-moz-column-width: 1px; word-wrap: break-word;"><div>ABCDE</div></div>

</body>
</html>
